The dynamical model for vehicle system with the rubber-tired bogie is established and the influence of stochastic excitation on vibration performance for vehicle system is investigated.

在建立橡胶轮转向架车辆系统动力学模型的基础上，研究了随机激扰对车辆系统振动特性的影响。

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On the contrary, the hunting wave of car bogie frame covers the influence of all factors causing transverse vibration of the system and reflects the action of different wheel-rail contact conditions.

相反，机车车辆构架蛇行波反映了引起此系统横向振动所有因素的影响，同时还反映了轮轨实际接触状态。

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